Source Code Cross Referenced for JspTop.java in  » EJB-Server-resin-3.1.5 » resin » com » caucho » jsp » java » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server resin 3.1.5 » resin » com.caucho.jsp.java 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
003:         *
004:         * This file is part of Resin(R) Open Source
005:         *
006:         * Each copy or derived work must preserve the copyright notice and this
007:         * notice unmodified.
008:         *
009:         * Resin Open Source is free software; you can redistribute it and/or modify
010:         * it under the terms of the GNU General Public License as published by
011:         * the Free Software Foundation; either version 2 of the License, or
012:         * (at your option) any later version.
013:         *
014:         * Resin Open Source is distributed in the hope that it will be useful,
015:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
016:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
017:         * of NON-INFRINGEMENT.  See the GNU General Public License for more
018:         * details.
019:         *
020:         * You should have received a copy of the GNU General Public License
021:         * along with Resin Open Source; if not, write to the
022:         *
023:         *   Free Software Foundation, Inc.
024:         *   59 Temple Place, Suite 330
025:         *   Boston, MA 02111-1307  USA
026:         *
027:         * @author Scott Ferguson
028:         */
029:
030:        package com.caucho.jsp.java;
031:
032:        import com.caucho.jsp.JspParseException;
033:        import com.caucho.util.L10N;
034:        import com.caucho.vfs.WriteStream;
035:        import com.caucho.xml.XmlChar;
036:
037:        import java.io.IOException;
038:        import java.util.HashMap;
039:        import java.util.Map;
040:
041:        /**
042:         * Represents the root node.
043:         */
044:        public class JspTop extends JspContainerNode implements  JspSegmentNode {
045:            private static final L10N L = new L10N(JspTop.class);
046:
047:            private boolean _hasRoot;
048:            private int _maxFragmentIndex = -1;
049:            private int _maxStaticFragmentIndex = -1;
050:
051:            private HashMap<String, String> _namespaceMap = new HashMap<String, String>();
052:            private HashMap<String, String> _revNamespaceMap = new HashMap<String, String>();
053:
054:            /**
055:             * Adds a text node.
056:             */
057:            public JspNode addText(String text) throws JspParseException {
058:                // jsp/0705
059:                if (true || !_hasRoot) {
060:                    JspNode node = new StaticText(_gen, text, this );
061:
062:                    addChild(node);
063:
064:                    return node;
065:                } else {
066:                    for (int i = 0; i < text.length(); i++)
067:                        if (!XmlChar.isWhitespace(text.charAt(i)))
068:                            throw error(L
069:                                    .l("JSP pages with <jsp:root> must not have text outside the <jsp:root>."));
070:
071:                    return null;
072:                }
073:            }
074:
075:            /**
076:             * Adds a child node.
077:             */
078:            public void addChild(JspNode child) throws JspParseException {
079:                if (child instanceof  JspRoot) {
080:                    _hasRoot = true;
081:                    _gen.setOmitXmlDeclaration(true);
082:                }
083:
084:                super .addChild(child);
085:            }
086:
087:            /**
088:             * Set true if the node only has static text.
089:             */
090:            public boolean isStatic() {
091:                for (int i = 0; i < _children.size(); i++) {
092:                    JspNode node = _children.get(i);
093:
094:                    if (!node.isStatic())
095:                        return false;
096:                }
097:
098:                return true;
099:            }
100:
101:            /**
102:             * Returns the containing segment.
103:             */
104:            public JspSegmentNode getSegment() {
105:                return this ;
106:            }
107:
108:            /**
109:             * Returns the largest fragment index.
110:             */
111:            public int getMaxFragmentIndex() {
112:                return _maxFragmentIndex;
113:            }
114:
115:            /**
116:             * Sets the largest fragment index.
117:             */
118:            public void setMaxFragmentIndex(int index) {
119:                if (_maxFragmentIndex < index)
120:                    _maxFragmentIndex = index;
121:            }
122:
123:            /**
124:             * Returns the largest static fragment index.
125:             */
126:            public int getMaxStaticFragmentIndex() {
127:                return _maxStaticFragmentIndex;
128:            }
129:
130:            /**
131:             * Sets the largest static fragment index.
132:             */
133:            public void setMaxStaticFragmentIndex(int index) {
134:                if (_maxStaticFragmentIndex < index)
135:                    _maxStaticFragmentIndex = index;
136:            }
137:
138:            /**
139:             * Adds a namespace, e.g. from a prefix declaration.
140:             */
141:            @Override
142:            public void addNamespaceRec(String prefix, String value) {
143:                _namespaceMap.put(prefix, value);
144:                _revNamespaceMap.put(value, prefix);
145:            }
146:
147:            /**
148:             * Adds a namespace, e.g. from a prefix declaration.
149:             */
150:            @Override
151:            public String getNamespacePrefix(String uri) {
152:                return _revNamespaceMap.get(uri);
153:            }
154:
155:            /**
156:             * Generates the XML text representation for the tag validation.
157:             *
158:             * @param os write stream to the generated XML.
159:             */
160:            public void printXml(WriteStream os) throws IOException {
161:                if (_hasRoot) {
162:                    printXmlChildren(os);
163:                    return;
164:                }
165:
166:                /*
167:                os.print("<jsp:root xmlns:jsp=\"http://java.sun.com/JSP/Page\">");
168:                printXmlChildren(os);
169:                os.print("</jsp:root>");
170:                 */
171:                os.print("<jsp:root");
172:                printJspId(os);
173:                os.print(" version=\"2.0\"");
174:                os.print(" xmlns:jsp=\"http://java.sun.com/JSP/Page\"");
175:
176:                for (Map.Entry entry : _namespaceMap.entrySet()) {
177:                    os.print(" xmlns:" + entry.getKey() + "=\""
178:                            + entry.getValue() + "\"");
179:                }
180:                os.print(">");
181:                printXmlChildren(os);
182:                os.print("</jsp:root>");
183:            }
184:
185:            /**
186:             * Returns true if the namespace decl has been printed.
187:             */
188:            public boolean hasNamespace(String prefix, String uri) {
189:                if ("".equals(uri) && ("".equals(prefix) || prefix == null))
190:                    return true;
191:                else
192:                    return false;
193:            }
194:
195:            /**
196:             * Generates the code for the tag
197:             *
198:             * @param out the output writer for the generated java.
199:             */
200:            public void generate(JspJavaWriter out) throws Exception {
201:                if (!_hasRoot) {
202:                    if (!_gen.isOmitXmlDeclaration()) {
203:                        String encoding = _gen.getCharacterEncoding();
204:
205:                        if (encoding == null)
206:                            encoding = "UTF-8";
207:
208:                        out.addText("<?xml version=\"1.0\" encoding=\""
209:                                + encoding + "\"?>\n");
210:                    }
211:
212:                    if (_gen.getDoctypeSystem() != null) {
213:                        out.addText("<!DOCTYPE ");
214:                        out.addText(_gen.getDoctypeRootElement());
215:
216:                        if (_gen.getDoctypePublic() != null) {
217:                            out.addText(" PUBLIC \"");
218:                            out.addText(_gen.getDoctypePublic());
219:                            out.addText("\" \"");
220:                            out.addText(_gen.getDoctypeSystem());
221:                            out.addText("\"");
222:                        } else {
223:                            out.addText(" SYSTEM \"");
224:                            out.addText(_gen.getDoctypeSystem());
225:                            out.addText("\"");
226:                        }
227:
228:                        out.addText(">\n");
229:                    }
230:                }
231:
232:                generateChildren(out);
233:            }
234:        }
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